Home / 40,630.51-60,953.39-18,445.45

Finding the Fourth Proportional to 40,630.51, 60,953.39 and 18,445.45

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Solution

The fourth proportional to 40,630.51, 60,953.39 and 18,445.45 is: 27,671.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.51 : 60,953.39 = 18,445.45 : x
  2. Step 2: Convert to fraction form
    40,630.51/60,953.39 = 18,445.45/x
  3. Step 3: Cross multiply
    40,630.51x = 60,953.39 × 18,445.45
  4. Step 4: Simplify right side
    40,630.51x = 1,124,312,707.58
  5. Step 5: Solve for x
    x = 1,124,312,707.58/40,630.51
  6. Step 6: Final answer
    x = 27,671.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.